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Finding the Fourth Proportional to 163,691.60, 244,954.20 and 113,536.40

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Solution

The fourth proportional to 163,691.60, 244,954.20 and 113,536.40 is: 169,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,691.60 : 244,954.20 = 113,536.40 : x
  2. Step 2: Convert to fraction form
    163,691.60/244,954.20 = 113,536.40/x
  3. Step 3: Cross multiply
    163,691.60x = 244,954.20 × 113,536.40
  4. Step 4: Simplify right side
    163,691.60x = 27,811,218,032.88
  5. Step 5: Solve for x
    x = 27,811,218,032.88/163,691.60
  6. Step 6: Final answer
    x = 169,900.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.